#505183
Closest named color: Dusk (#4E5481). oklch(45.7% 0.081 281.8), rgb(80, 81, 131).
Aa
White text reads best on this color (7.37:1).
About this color
#505183 is a medium-dark, moderately saturated purple. In OKLCH its lightness is 46%, its chroma 0.081 and its hue 282°. Its hue sits on the cool side of the wheel. The nearest named color is Dusk (#4E5481), ΔE 0.010 away. White text reads best on it, at 7.37:1.
| Hue family | Purples |
| Lightness | medium-dark (46%) |
| Chroma | moderately saturated (0.081) |
| Temperature | cool |
| Nearest name | Dusk (#4E5481) |
| Black text | 2.84:1 |
| White text | 7.37:1 |
Values
| HEX | #505183 |
| RGB | rgb(80, 81, 131) |
| HSL | hsl(239, 24%, 41%) |
| OKLCH | oklch(45.7% 0.081 281.8) |
Contrast
WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.
| Pair | WCAG 2 | Result | APCA | APCA guidance |
|---|---|---|---|---|
| White text on #505183 | 7.37:1 | AAA | Lc -90.4 | Preferred for body text |
| Black text on #505183 | 2.84:1 | Fails | Lc 18.4 | Dividers and decoration only |
| #505183 text on white | 7.37:1 | AAA | Lc 85.6 | Fine for body text |
| #505183 text on black | 2.84:1 | Fails | Lc -16.5 | Dividers and decoration only |
Tints and shades
A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 800.
-
Step 50
50
#F4F5FA
oklch(97.1% 0.007 277.2)
-
Step 100
100
#E8E9F3
oklch(93.6% 0.013 281.6)
-
Step 200
200
#D6D7EB
oklch(88.4% 0.027 283.5)
-
Step 300
300
#BBBEDF
oklch(81% 0.046 281.2)
-
Step 400
400
#989BCF
oklch(70.6% 0.076 281.7)
-
Step 500
500
#8082C3
oklch(63.1% 0.097 281.9)
-
Step 600
600
#6A6BAF
oklch(55.7% 0.104 281.8)
-
Step 700
700
#585996
oklch(49.1% 0.097 281.5)
-
Step 800
800 (this color)
#505183
oklch(45.7% 0.081 281.8)
-
Step 900
900
#3C3D62
oklch(37.6% 0.063 281.7)
-
Step 950
950
#23243A
oklch(27% 0.041 281.3)
#505183 with color blindness
Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.
| Vision | Seen as | Shift (ΔE) |
|---|---|---|
| Protanopia (no red cones) | #415785 | 0.025 |
| Deuteranopia (no green cones) | #3E5482 | 0.026 |
| Tritanopia (no blue cones) | #425B64 | 0.070 |
| Achromatopsia (no color) | #565656 | 0.081 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #505183
#505183
oklch(45.7% 0.081 281.8)
- #60581B
#60581B
oklch(45.5% 0.081 101.8)
Analogous
Neighbouring hues, 30° either side.
Split complementary
The two hues beside the complement (150° and 210°).
Triadic
Three hues spaced 120° apart.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #505183, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusk #4E5481 ΔE 0.010
- Twilight #4E518B ΔE 0.013
- Dusty Grape #545775 ΔE 0.034
- Denim Blue #3B5B92 ΔE 0.040
- YInMn Blue #415A77 ΔE 0.042
- Dusky Blue #475F94 ΔE 0.043
- Light Navy Blue #2E5A88 ΔE 0.046
- Dusk Blue #26538D ΔE 0.052
Use #505183 in your product
Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.